Bureau of Transportation Statistics (BTS)
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Table 2 - Univariate Analysis of Model 1

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Explanatory variables Estimates Standard errors Degrees of freedom Scaled deviance t-statistics Sig. at 0.05
Constant -9.2260 0.3480 49 49 -26.55 Yes
QNMm 0.9835 0.0334     29.42 Yes
Constant -1.2210 0.2160 49 49 -5.64 Yes
QNMn 0.2490 0.0243     10.26 Yes
Constant -0.7520 0.2580 49 49 -2.92 Yes
QMm 0.1943 0.0288     6.76 Yes
Constant -2.0910 0.3790 49 49 -5.51 Yes
QMn 0.3877 0.0478     8.12 Yes
Constant 0.8636 0.0748 49 49 11.54 Yes
QPED 0.0357 0.0237     1.51 No
Constant -3.6760 0.1090 49 49 -33.63 Yes
SPEED 0.0771 0.0018     42.83 Yes
Constant 3.2900 1.1800 49 49 2.79 Yes
LWm -0.6510 0.3290     -1.98 Yes
Constant 3.0200 1.0500 49 49 2.88 Yes
LWn -0.5800 0.2950     -1.97 Yes
Constant 1.1960 0.1260 49 49 9.47 Yes
LNm -0.1023 0.0519     -1.97 Yes
Constant 1.0780 0.1200 49 49 8.97 Yes
LNn -0.0744 0.0697     -1.07 No
Constant 1.0020 0.1280 49 49 7.83 Yes
NL (2) -0.0294 0.0826     -0.36 No
Constant 1.0578 0.0524 48 48 20.17 Yes
SHDW (2) -0.1812 0.0856     -2.12 Yes
SHDW (3) -0.2750 0.1190     -2.32 Yes
Constant 0.8316 0.0752 49 49 11.05 Yes
LU (2) 0.1774 0.0885     2.01 Yes

Note: Estimates for factors (2) and (3) are the differences compared with the reference level (1).